Home / 526,081.11-789,236.13-161,342.92

Finding the Fourth Proportional to 526,081.11, 789,236.13 and 161,342.92

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Solution

The fourth proportional to 526,081.11, 789,236.13 and 161,342.92 is: 242,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,081.11 : 789,236.13 = 161,342.92 : x
  2. Step 2: Convert to fraction form
    526,081.11/789,236.13 = 161,342.92/x
  3. Step 3: Cross multiply
    526,081.11x = 789,236.13 × 161,342.92
  4. Step 4: Simplify right side
    526,081.11x = 127,337,661,783.70
  5. Step 5: Solve for x
    x = 127,337,661,783.70/526,081.11
  6. Step 6: Final answer
    x = 242,049.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.